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主题： [转帖]mysql.sock问题

huanyuer

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2015-2-9 11:06:57 | [全部帖] [楼主帖]

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CentOS6.5 64bit系统，配置本地yum源，安装MYSQL数据库，版本5.1.71.当服务器异常断电时，无法启动mysql数据库，造成web服务中断。

重启mysql服务提示：Another MySQL daemon is already running with the same UNIX socket。通过查看日志，解决方法是删

除/var/lib/mysql目录下的mysql.sock文件，然后重启即可。

但如果再次遇到突然断电等情况，还是会出现这种情况，果断GOOGLE，然后发现这貌似是CentOS6.5自身BUG，可参见下面链接：

Bug 1037650 – MySQL server does not restart after unclean reboot
Unable to start MySQL service.

找到从根本上解决问题的方法：

yum -y update mysql-server

不过需要需要将yum源配置成网络yum环境，然后

yum clean
yum list

更新结果如下所示：

[root@localhost yum.repos.d]# yum -y update mysql-server
Loaded plugins: fastestmirror, refresh-packagekit, security
Loading mirror speeds from cached hostfile
* base: mirrors.aliyun.com
* extras: mirrors.aliyun.com
* updates: mirrors.aliyun.com
Setting up Update Process
Resolving Dependencies
–> Running transaction check
—> Package mysql-server.x86_64 0:5.1.71-1.el6 will be updated
—> Package mysql-server.x86_64 0:5.1.73-3.el6_5 will be an update
–> Processing Dependency: mysql = 5.1.73-3.el6_5 for package: mysql-server-5.1. 73-3.el6_5.x86_64
–> Running transaction check
—> Package mysql.x86_64 0:5.1.71-1.el6 will be updated
—> Package mysql.x86_64 0:5.1.73-3.el6_5 will be an update
–> Processing Dependency: mysql-libs = 5.1.73-3.el6_5 for package: mysql-5.1.73 -3.el6_5.x86_64
–> Running transaction check
—> Package mysql-libs.x86_64 0:5.1.71-1.el6 will be updated
—> Package mysql-libs.x86_64 0:5.1.73-3.el6_5 will be an update
–> Finished Dependency Resolution
Dependencies Resolved
================================================================================
Package             Arch          Version                 Repository      Size
================================================================================
Updating:
mysql-server        x86_64        5.1.73-3.el6_5          updates        8.6 M
Updating for dependencies:
mysql               x86_64        5.1.73-3.el6_5          updates        894 k
mysql-libs          x86_64        5.1.73-3.el6_5          updates        1.2 M
Transaction Summary
================================================================================
Upgrade       3 Package(s)
Total download size: 11 M
Downloading Packages:
(1/3): mysql-5.1.73-3.el6_5.x86_64.rpm                   | 894 kB     00:02
(2/3): mysql-libs-5.1.73-3.el6_5.x86_64.rpm              | 1.2 MB     00:03
(3/3): mysql-server-5.1.73-3.el6_5.x86_64.rpm            | 8.6 MB     00:21
——————————————————————————–
Total                                           401 kB/s |  11 MB     00:27
Running rpm_check_debug
Running Transaction Test
Transaction Test Succeeded
Running Transaction
Updating   : mysql-libs-5.1.73-3.el6_5.x86_64                             1/6
Updating   : mysql-5.1.73-3.el6_5.x86_64                                  2/6
Updating   : mysql-server-5.1.73-3.el6_5.x86_64                           3/6
Cleanup    : mysql-server-5.1.71-1.el6.x86_64                             4/6
Cleanup    : mysql-5.1.71-1.el6.x86_64                                    5/6
Cleanup    : mysql-libs-5.1.71-1.el6.x86_64                               6/6
Verifying  : mysql-libs-5.1.73-3.el6_5.x86_64                             1/6
Verifying  : mysql-server-5.1.73-3.el6_5.x86_64                           2/6
Verifying  : mysql-5.1.73-3.el6_5.x86_64                                  3/6
Verifying  : mysql-libs-5.1.71-1.el6.x86_64                               4/6
Verifying  : mysql-server-5.1.71-1.el6.x86_64                             5/6
Verifying  : mysql-5.1.71-1.el6.x86_64                                    6/6
Updated:
mysql-server.x86_64 0:5.1.73-3.el6_5
Dependency Updated:
mysql.x86_64 0:5.1.73-3.el6_5        mysql-libs.x86_64 0:5.1.73-3.el6_5
Complete!

--转自